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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_BASE_ACCOUNTING_ALLOCATOR_H_
#define V8_BASE_ACCOUNTING_ALLOCATOR_H_
#include "src/base/atomicops.h"
#include "src/base/macros.h"
namespace v8 {
namespace base {
class AccountingAllocator final {
public:
AccountingAllocator() = default;
~AccountingAllocator() = default;
// Returns nullptr on failed allocation.
void* Allocate(size_t bytes);
void Free(void* memory, size_t bytes);
size_t GetCurrentMemoryUsage() const;
private:
AtomicWord current_memory_usage_ = 0;
DISALLOW_COPY_AND_ASSIGN(AccountingAllocator);
};
} // namespace base
} // namespace v8
#endif // V8_BASE_ACCOUNTING_ALLOCATOR_H_
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